Finding the Fourth Proportional to 35,793.26, 49,393.05 and 19,878.72

Step by Step Solution

1. Step 1: Write the proportion equation
   35,793.26 : 49,393.05 = 19,878.72 : x
2. Step 2: Convert to fraction form
   35,793.26/49,393.05 = 19,878.72/x
3. Step 3: Cross multiply
   35,793.26x = 49,393.05 × 19,878.72
4. Step 4: Simplify right side
   35,793.26x = 981,870,610.90
5. Step 5: Solve for x
   x = 981,870,610.90/35,793.26
6. Step 6: Final answer
   x = 27,431.72